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Merck 106652 1000 Sodium Sulfite Emprove 1 KG.
Merck 106652 1000 Sodium Sulfite Emprove 1 KG.

Merck 106652 1000 Sodium Sulfite Emprove 1 KG.

Ürün Kodu:1066521000
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Description
Catalogue Number106652
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Product Information
CAS number7757-83-7
EC number231-821-4
GradePh Eur,BP,NF,E 221
Hill FormulaNa₂O₃S
Chemical formulaNa₂SO₃
Molar Mass126.04 g/mol
HS Code2832 10 10
Quality LevelMQ500
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Physicochemical Information
Density2.630 g/cm3
Melting Point>500 °C (decomposition)
pH value9.0 - 10.5 (126 g/l, H₂O, 25 °C)
Bulk density1480 kg/m3
Solubility220 g/l
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Toxicological Information
LD 50 oralLD50 Rat 2610 mg/kg
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Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly hazardous to water
Disposal6\nSulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.
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Storage and Shipping Information
StorageStore at +15°C to +25°C.
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Transport Information
Declaration (railroad and road) ADR, RIDKein Gefahrgut
Declaration (transport by air) IATA-DGRNo Dangerous Good
Declaration (transport by sea) IMDG-CodeNo Dangerous Good
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Specifications
Assay (iodometric)95.0 - 100.5 %
Assay (SO₂)≥ 48.0 %
Identitypasses test
Appearance of solutionpasses test
Thiosulfate (S₂O₃)≤ 0.05 %
Heavy metals (as Pb)≤ 0.0005 %
As (Arsenic)≤ 0.0002 %
Hg (Mercury)≤ 0.0001 %
Fe (Iron)≤ 0.0005 %
Pb (Lead)≤ 0.0002 %
Se (Selenium)≤ 0.00025 %
Zn (Zinc)≤ 0.0025 %
Residual solvents (Ph Eur/USP/ICH)excluded by the manufacturing process
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).\nConforms to the purity criteria on food additives according to the current European Commission Regulation.
Conforms to Ph Eur, BP, NF, E221

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